import Vue from 'vue';
import Router from 'vue-router';

Vue.use(Router);

/* Layout */
import Layout from '@/layout';
/**
 * Note: sub-menu only appear when route children.length >= 1
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'             the icon show in the sidebar
    noCache: true                if set true, the page will no be cached(default is false)
    affix: true                  if set true, the tag will affix in the tags-view
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [{
  path: '/redirect',
  component: Layout,
  hidden: true,
  children: [{
    path: '/redirect/:path*',
    component: () =>
      import('@/views/redirect/index')
  }]
},
{
  path: '/login',
  component: () =>
    import('@/views/login/index'),
  hidden: true
},
{
  path: '/auth-redirect',
  component: () =>
    import('@/views/login/auth-redirect'),
  hidden: true
},
{
  path: '/404',
  component: () =>
    import('@/views/error-page/404'),
  hidden: true
},
{
  path: '/401',
  component: () =>
    import('@/views/error-page/401'),
  hidden: true
},
{
  path: '/',
  component: Layout,
  redirect: '/dashboard',
  children: [{
    path: 'dashboard',
    component: () =>
      import('@/views/dashboard/index'),
    name: 'Dashboard',
    meta: { title: '首页', icon: 'dashboard', affix: true }
  }]
},
{
  path: '/profile',
  component: Layout,
  redirect: '/profile/index',
  hidden: true,
  children: [{
    path: 'index',
    component: () =>
      import('@/views/profile/index'),
    name: 'Profile',
    meta: { title: '个人中心', icon: 'user', noCache: true }
  }]
},
{
  path: '/report',
  component: () =>
  import('@/views/report/index'),
  name: 'report',
  meta: { title: '个人报告', icon: 'user', noCache: true },
  hidden: true
}
];

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRoutes = [
  /** when your routing map is too long, you can split it into small modules **/

  // 404 page must be placed at the end !!!
  { path: '*', redirect: '/404', hidden: true }
];

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
});

const router = createRouter();

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter();
  router.matcher = newRouter.matcher; // reset router
}

export default router;
